-83.85% is the change from 545 to 88
Calculation steps:
[( 88 - 545 ) ÷ 545] x 100 = -83.85%
Formula
Percentage change = [(88 - 545) / 545] x 100
Subtract the new number by the original number
88 - 545 = -457
-457 ÷ 545 = -0.8385321100917431
-0.8385321100917431 x 100 = -83.85%